Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.
Entry price
Free tier available
Free tierFrom $99 per month (indicative, by tested visitors)
Trial onlyWhat drives the bill
The metric that actually scales your invoice.
One of the most generous free tiers in developer tooling; paid usage is billed on analytics events, not seats.
Priced only on tested traffic — unlimited experiments, domains and users at every tier.
Free tier
Generous free tier including unlimited feature flags and a large monthly event allowance.
15-day trial.
Open source
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Widely used
Statsig (OpenAI) · since 2020
Emerging
Convert Insights · since 2010
Strengths
Limitations
Best for
Product teams that want experimentation and analytics to share one source of truth.
Mid-sized e-commerce teams that want unlimited client-side testing with clean privacy handling.
All of these integrate with: Segment.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.